Kernel+LibC: Share definitions for unistd.h

Kernel/API/POSIX/unistd.h

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <Kernel/API/POSIX/sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define STDIN_FILENO 0
+#define STDOUT_FILENO 1
+#define STDERR_FILENO 2
+
+#define R_OK 4
+#define W_OK 2
+#define X_OK 1
+#define F_OK 0
+
+#define MS_NODEV (1 << 0)
+#define MS_NOEXEC (1 << 1)
+#define MS_NOSUID (1 << 2)
+#define MS_BIND (1 << 3)
+#define MS_RDONLY (1 << 4)
+#define MS_REMOUNT (1 << 5)
+
+enum {
+    _SC_MONOTONIC_CLOCK,
+    _SC_NPROCESSORS_CONF,
+    _SC_NPROCESSORS_ONLN,
+    _SC_OPEN_MAX,
+    _SC_TTY_NAME_MAX,
+    _SC_PAGESIZE,
+    _SC_GETPW_R_SIZE_MAX,
+    _SC_CLK_TCK,
+};
+
+#define _SC_MONOTONIC_CLOCK _SC_MONOTONIC_CLOCK
+#define _SC_NPROCESSORS_CONF _SC_NPROCESSORS_CONF
+#define _SC_NPROCESSORS_ONLN _SC_NPROCESSORS_ONLN
+#define _SC_OPEN_MAX _SC_OPEN_MAX
+#define _SC_PAGESIZE _SC_PAGESIZE
+#define _SC_TTY_NAME_MAX _SC_TTY_NAME_MAX
+#define _SC_GETPW_R_SIZE_MAX _SC_GETPW_R_SIZE_MAX
+#define _SC_CLK_TCK _SC_CLK_TCK
+
+#define SEEK_SET 0
+#define SEEK_CUR 1
+#define SEEK_END 2
+
+#ifdef __cplusplus
+}
+#endif